package com.rzy.cqh.servlet;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

public class CharacterEncodingFilter implements Filter {
  private String encoding;

  public void init(FilterConfig config) throws ServletException {
    encoding = config.getInitParameter("encoding");
  }

  public void destroy() {
  }

  public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
    request.setCharacterEncoding(encoding);
    response.setCharacterEncoding(encoding);

    chain.doFilter(request, response);
  }
}
